Abstract A field experiment was carried out to test the efficiency of potassium silicate and wild eggplant Solanum eleaegnifolium normal nano for management downy mildew disease on cucumber caused by Pseudoperonospora cubensis under greenhouse conditions reducing incidence severity its reflection control area progress curve AUDPC compared fungicide Energy Previcur (Hcl - Propamocarb Fosetyl-alu...
